【正文】 .............................................................................................2 編制范圍 ..................................................................................................................2 規(guī)劃期限 ..................................................................................................................2 設(shè)計依據(jù)及原則 ......................................................................................................2 設(shè)計依據(jù) .........................................................................................................2 設(shè)計原則 .........................................................................................................3 建設(shè)內(nèi)容及規(guī)模 ......................................................................................................4第 2 章 項目提出的背景和建設(shè)的必要性 ..............................................5 ******概況 ..............................................................................................................5 項目提出的背景 ......................................................................................................6 項目建設(shè)的必要性 ..................................................................................................6 項目建設(shè)的可行性 ..................................................................................................7第 3 章 建設(shè)條件和廠址選擇 ..................................................................8 自然條件 ............................................................................................................8 地理位置 .........................................................................................................8 地形地貌 .........................................................................................................8 氣象條件 .........................................................................................................9 水文地質(zhì) .......................................................................................................10 建設(shè)條件 ..........................................................................................................10 自來水廠址選擇 ..............................................................................................11 選址原則 .......................................................................................................11 自來水廠選址 ...............................................................................................11第 4 章 工程總體設(shè)計 ............................................................................12II 水源論證 ................................................................................................................12 水源地選擇 ...................................................................................................12 水源地巖性特征 ...........................................................................................12 水文地質(zhì)條件 ...............................................................................................13 原水水質(zhì) .......................................................................................................13 工程規(guī)模和水壓要求 ............................................................................................15 經(jīng)濟區(qū)需水量預測 .......................................................................................15 設(shè)計規(guī)模確定 ...............................................................................................20 水壓要求 .......................................................................................................20 自來水廠方案論證 ................................................................................................20 自來水廠位置確定 .......................................................................................20 自來水廠工藝處理方案 ...............................................................................20 輸配水方案論證 ....................................................................................................26 輸配水方案確定 ...........................................................................................26 輸配水管線敷設(shè)方案 ...................................................................................27 輸配水管線的選擇 ................................................................................................27 常用管材 .......................................................................................................27 管材技術(shù)性能 ...............................................................................................28 管材價格比較 ...............................................................................................30 管材選擇結(jié)論 ...............................................................................................31 管網(wǎng)其他設(shè)施改造方案 ...............................................................................31 輸水管線水錘分析及防止 ...........................................................................31第 5 章 取水構(gòu)筑物設(shè)計 ........................................................................32 取水泵房設(shè)計 ........................................................................................................32 水源井聯(lián)絡(luò)管 ........................................................................................................32第 6 章 輸水管線設(shè)計 ............................................................................33 輸水管線走向 ........................................................................................................33 輸水管線走向 ...............................................................................................33III 聯(lián)絡(luò)管走向 ...................................................................................................33 管材選擇 ................................................................................................................33 輸水管道埋深 ........................................................................................................33 排氣閥及排泥閥的設(shè)置 ........................................................................................33 管道水壓試驗 ........................